关键词: 数据包络分析（DEA）, 径向与非径向, 接近度指标, 环境DEA技术

Abstract: Because traditional radial or non-radial DEA（Data Envelopment Analysis） models employ different perspective when they pursuit of maximum improvement on input or output, and in most cases they employ strong disposability assumption of pollution, considering this cause assessment deviated from the actual production process, poor distinguish and other problems, it proposes the radial and non-radial DEA comprehensive efficiency models based on grey correlation under assumption of weak disposability of environment. First, it proposes a comprehensive efficiency model framework which combines radial and non-radial characters based on environmental DEA technology. At the same time, it constructs the affinity indices based on grey correlation of input variables serials, obtains characteristic parameters of framework which is linked and measured radial and non-radial models, then puts them in the framework to obtain evaluation results. At last, an example real datum for 29 provinces of China in 2010 has been employed to describe their comprehensive efficiency, and the results show the validity of the model.

Key words: Data Envelopment Analysis（DEA）, radial and non-radial, affinity indices, environmental DEA technology